Wall-crossing from supersymmetric galaxies

Abstract

We give an elementary physical derivation of the Kontsevich-Soibelman wall crossing formula, valid for any theory with a 4d N=2 supergravity description. Our argument leads to a slight generalization of the formula, which relates monodromy to the BPS spectrum.

15 pages

References in corpus (2)

• Stability structures, motivic Donaldson-Thomas invariants and cluster transformations
• Bound state transformation walls

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